All in One USB 2.0 Plug & Play Multi Memory Card Reader Support Memory Card Types: SDHC, MicroSDHC-TF, MMC, XD, RS-MMC, M2, MS, MS Pro. Features Suport SDHC and MicroSDHC flash memory cards up to 32GB USB 2.0 High Speed Data Interface up to 480mbps Support Hot Plug and Plug and Play installation Compatible with USB 1.1 / 2.0 standards Bus powered, no external power needed Wide range operating system support: Windows ME, XP, 2000, Vista and 7